Table 3.

Samples labelling.

Samples Label.	Treatment Temperature [°C]
OSR 550	550 a
OSR 900	900 b
OSR 1000	1000 b
OSR 1100	1100 b
OSR 1300	1300 b
OSR 1500	1500 b
OSR 2200	2200 b

^a pyrolysis process, ^b carbonization process.